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avformat/realtextdec: keep the window duration in 64 bits

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This is not a security issue.

Fixes: GJrBZmxJqqm8
Fixes: swarm-Integer-truncation-of-parsed-duration-and-timestamps-1a4b12
Found-by: zhang xingxing <2388969553@qq.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
zhang xingxing
2026-10-10 08:33:13 +02:00
committed by michaelni
parent 5ef923d052
commit ec60a0b5d8
1 changed files with 2 additions and 1 deletions
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libavformat/realtextdec.c
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@@ -64,7 +64,8 @@ static int realtext_read_header(AVFormatContext *s)
AVStream *st = avformat_new_stream(s, NULL);
AVBPrint buf;
char c = 0;
int res = 0, duration = read_ts("60"); // default duration is 60 seconds
int res = 0;
int64_t duration = read_ts("60"); // default duration is 60 seconds
FFTextReader tr;
ff_text_init_avio(s, &tr, s->pb);